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6.What is ISA? a. Specifications of Machine code, Addressing modes, and etc.. b.

ID: 3907622 • Letter: 6

Question

6.What is ISA?

a. Specifications of Machine code, Addressing modes, and etc..

b. Specifications of Programming Languages, Data Types, etc..

c. Specifications of RAM (Internal Memory), Hard Drive, etc..

d. Specifications of Network Interface Cards, Ports, etc..

7. Which of the following will affect the performance of a program?

a. Algorithm of the program

b. Efficiency of the compiler

c. ISA of the Computer

d. All of the above

8. Consider a program that takes 16 sec to execute. It has two parts A and , where Part A runs for 9 sec and Part B runs for 7 sec. Sam discovered that with same cost part A can be improved to run 3 times faster, OR part B can be improved to run 7 times faster (but both parts cannot be improved at the same time). Which part should be improved to get better overall performance?

a. Part A, because it takes longer time to execute- make common case faster

b. Part B, because it can be improved to run 7 times faster

c. Either A or B ; both improvements give same overall performance (10 sec)

d. Neither A nor B; based on Amdhal’s law the overall performance cannot be improved

9. If 110b= 1210, what is b (in base 10)?

a. 8

b. 4

c. 3

d. 2

10. What is 11.510 in Hex?

a. B.5                

b. B.8                  

c. 11.8

d. 8.5

Explanation / Answer

6.) d) Specifications of Network Interface cards,POrts etc

ISA-Industry Standard Architecture is 16 bit data bus for I/O channel(Input-output channel bus)

7.)d)All the above

Algorithm of the program - if the alogrithm used in computer is poor,then it will

affect the performance of the computer.

Efficiency of the compiler :if the compiler is inefficient ,then it effects the

performance of the program

ISA of the computer-As explained above,if the i/o bus is less efficient,then

obviously it effects the performance of the program

8.c)Either A or B.Explanation follows:

If A is made 3 times faster,then it consumes 3 secs+ 7secs for b,total=10

Ib is made 7 times faster,then it takes 1 sec + 9secs for A,total=10

9)//Incomplete data

10) b)B.8